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Which one of the following is the correc...

Which one of the following is the correct statement for respiration in humans ?

A

Neural signals form peneumotoxic centre in poins region of brain can increase

B

worker in grinding and stone breaking industries may suffer from lung fibrosis

C

about 90% of carbon dioxide `(CO_(2))` is carried by haemoglobin as carbamino haemoglobin

D

cigarette smoking may lead to inflammation of bronchi

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The correct Answer is:
B
option (4) is also a correct answer as smoking chronic bornchities but per NECRT (2) seems to be a better choice
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TRUEMAN BIOLOGY-BREATHING AND EXCHANGE OF GASES -MULTIPLE CHOICE QUESTIONS
  1. Which two of the following changes (A-B) usually tend to occur in the ...

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  2. A large proportion of oxygen is left unused the human blood even after...

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  3. Which one of the following is the correct statement for respiration in...

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  4. People who have migrated from the planes to an area adjoining Rohtang ...

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  5. Which one of the following is a possibility for most of us in regards ...

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  6. Bulk of carbon dioxide (CO(2)) released from body tissues into the blo...

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  7. Oxygen dissociation curve of haemoglobin is

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  8. PH of blood in arteries and veins is

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  9. The left lung of human is divided in to

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  10. A major percentage (97%) of O(2) is transported by RBCs in the blood. ...

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  11. What percent (%) of CO(2) is transported as bicarbonate (HCO(3)) with ...

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  12. Muscles contains a red coloured oxygen storing pigment called :-

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  13. Expiratory capacity is

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  14. The urge to inhale in humans results from

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  15. A person is suffering from frequent episodes of nasal discharge, nasal...

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  16. The exchange of materials between blood and interstitial fluid is by

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  17. Oxygen carrying capacity of human blood is reduced due ot the pollutio...

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  18. Haemoglobin value for a healthy adult male is

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  19. The exchange of gases between blood capilaries and alveoli in the lung...

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  20. The factor which does not affect the rate of alveolar diffusion is

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